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LED knowledge

Titel Hits
Are any large cities using LED traffic lights? Hits: 4655
What are the major variables in determining savings? Hits: 4840
How much money is saved over the lifetime for switching out a red light with an LED? Hits: 4655
How much money is saved over the lifetime for switching out a yellow light with an LED? Hits: 4537
What is the payback time and return on investment for yellow LEDs? Hits: 4679
How much money is saved over the lifetime for switching out a green light with an LED? Hits: 4800
how much carbon dioxide emissions are prevented by switching to LEDs? Hits: 4506
How much pollution is prevented switching an average intersection to LEDs? Hits: 4281
Is there any reason not to switch to LEDs? Hits: 4571
& led Hits: 19904